I run my own PWA on a 2012 Samsung Galaxy S3 and the only performance problems I have, are due to bad decisions as a developer (e.g. loading all elements of a l

I run my own PWA on a 2012 Samsung Galaxy S3 and the only performance problems I have, are due to bad decisions as a developer (e.g. loading all elements of a list isn't such a great idea when the list grows over time and you use the app for 3 years (so far)). So if you are serious about building PWAs you shouldn't have performance issues. Yes, they are a bit slower than native apps, but with today's devices that shouldn't matter. The issue with Apple is, however, that they don't support all the APIs you need to create an awesome PWA (and decided recently to throw away the localStorage every 7 days unless the user wants to clutter his desktop with every PWA that needs to store data on the device for longer periods).